Fracture Reason for Gantry Crane Rail

XING Huai-nian; ZHANG Xiao-peng; LIU Zeng-li; GE Fei

XING Huai-nian, ZHANG Xiao-peng, LIU Zeng-li, GE Fei. Fracture Reason for Gantry Crane Rail[J]. Materials and Mechanical Engineering, 2009, 33(3): 98-100.

Citation:

XING Huai-nian, ZHANG Xiao-peng, LIU Zeng-li, GE Fei. Fracture Reason for Gantry Crane Rail[J]. Materials and Mechanical Engineering, 2009, 33(3): 98-100.

Citation:

XING Huai-nian, ZHANG Xiao-peng, LIU Zeng-li, GE Fei. Fracture Reason for Gantry Crane Rail[J]. Materials and Mechanical Engineering, 2009, 33(3): 98-100.

Fracture Reason for Gantry Crane Rail

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Mechanical property test and metallographic analysis were used for analysis of the fracture reason of a gantry crane rail.The results indicate that there were some large holes around the seam between the conductive steel and the rail,and some transcrystalline cracks were found in the heat-affected zone,which formed the crack sources.Under the working load,these cracks sources propagated gradually,and finally led to fatigue fracture failure of the rail.

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Fracture Reason for Gantry Crane Rail

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